A comprehensive tool to help you estimate your capital gains tax liability on investments and assets.
The Capital Gains Tax Calculator is a free, client-side web application designed to help investors, traders, and asset sellers estimate their capital gains tax liability. Whether you're trading stocks, cryptocurrency, or selling real estate, our calculator provides accurate tax estimates based on federal tax rules.
Our tool calculates tax obligations by considering multiple factors including holding periods (short-term vs. long-term), income brackets, cost basis, and sale prices. You can input single or multiple transactions and receive detailed tax liability breakdowns with comprehensive validation and error handling.
Calculate capital gains tax based on current federal tax rates and holding periods for stocks, crypto, and real estate.
All calculations are performed locally in your browser. Your financial data never leaves your device.
Get immediate tax liability estimates with detailed breakdowns of short-term and long-term gains.
Choose from stocks, cryptocurrency, or real estate to get asset-specific calculations.
Input purchase and sale dates, cost basis, sale price, and your income level.
Get instant calculations showing your capital gains, applicable tax rate, and total tax liability.
This calculator provides estimates based on federal capital gains tax rates and should be used for informational purposes only. It does not account for state taxes, special circumstances, or recent tax law changes. Always consult with a qualified tax professional or financial advisor for personalized tax advice and accurate tax planning.